Результаты (
английский) 2:
[копия]Скопировано!
first came up with the headphones Ezra Gilliland in 1881.
Headphones - personal listening device to sound. Headphones are a pair of small-sized sounder, worn on the head or inserted directly into the ear canals. Headphones are often used in everyday life and in professional work for music and speech, when you need portability or sound insulation from the surrounding space. Prolonged use of headphones at a high volume threatens to hearing loss.
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